Cavity Resonator for Dielectrics Rods, Liquids and Powders

Powders

Dielectric testing of powders in thin capillaries with high accuracy and repeatability.

Liquids

Precise permittivity and loss measurements of liquids using dedicated sample tubes.

Rods

High-accuracy dielectric characterization of solid rods up to 3.1 mm in diameter.

  • Frequencies:
19.5 / 30.4 GHz and 23.8 / 39.1 GHz (operates on two frequencies)
  • Dielectric constant:
Dk = 1 – 20 (achievable accuracy: δDk < 1%)
  • Loss tangent:
19.5 / 30.4 GHz — Df > 1e−4 / Df > 1e−5 (achievable accuracy: δDf < 3%) 23.8 / 39.1 GHz — Df > 5e−5 / Df > 1e−5 (achievable accuracy: δDf < 3%)
  • Maximum rod’s outer diameter:
< 3.1 mm for CR operating on 23.8 GHz
< 4.05 mm for CR operating on 19.5 GHz
  • Temperature:
−40 – 100 °C
  • Software-controlled measurement.

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Material Measurement Procedure